.tool dl{
    float: left;
    width: 100px;
    height: 84px;
    background: #fff;
    border: 0.5px solid #eee;
}
.tool dl dt{
    width: 36px;
    height: 36px;
    background-image: url(../images/homeTools_v4.png);
    margin: 13px 0 11px 30px;   
}
.tool dl:nth-child(1) dt{background-position: 0px 209px;}
.tool dl:nth-child(2) dt{background-position: 0px 245px;}
.tool dl:nth-child(3) dt{background-position: 0px 0px;}
.tool dl:nth-child(4) dt{background-position: 0px 1098px;}
.tool dl:nth-child(5) dt{background-position: 0px 173px;}
.tool dl:nth-child(6) dt{background-position: 0px 986px;}
.tool dl:nth-child(7) dt{ background-position: 0px 949px;}
.tool dl:nth-child(8) dt{background-position: 0px 913px;}
.tool dl:nth-child(9) dt{background-position: 0px 800px;}
.tool dl:nth-child(10) dt{background-position: 0px 141px;}
.tool dd{color: #666;}
.tool a{
    color: #666;
    font-size: 17px;
    text-align: center;
}
.tool dl:hover dd{
    color: #99c800;
}
.tool dl:hover {
    border: 1px solid #99c800;
}
.tool div a{
    display: inline-block;
    width: 178px;
    height: 84px;
    text-align: center;
    line-height: 85px;
    background: #fff;
    margin-top: 1px;
}
.tool div>a:hover{
    color: #99c800;
}